Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:43 2013 Optimize a model with 300 rows, 452 columns and 600 nonzeros Model has 150 quadratic constraints Presolve time: 0.00s Presolved: 300 rows, 452 columns, 600 nonzeros Presolved model has 150 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 4.500e+02 Factor NZ : 1.053e+03 Factor Ops : 3.755e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.25516374e+05 0.00000000e+00 2.84e-14 4.68e-01 2.89e+02 0s 1 2.59777315e+04 6.00903470e+03 7.44e-10 5.30e-05 4.44e+01 0s 2 2.05024912e+04 1.64885855e+04 3.76e-09 8.23e-06 8.92e+00 0s 3 1.86837231e+04 1.81610865e+04 1.84e-09 2.64e-06 1.16e+00 0s 4 1.84703192e+04 1.84428188e+04 7.00e-11 3.13e-07 6.11e-02 0s 5 1.84650677e+04 1.84590752e+04 1.42e-14 8.20e-08 1.33e-02 0s 6 1.84645830e+04 1.84621552e+04 2.84e-14 3.38e-08 5.40e-03 0s 7 1.84642571e+04 1.84628944e+04 2.84e-14 2.15e-08 3.03e-03 0s 8 1.84641941e+04 1.84632370e+04 2.84e-14 1.55e-08 2.13e-03 0s 9 1.84641896e+04 1.84639046e+04 7.11e-14 3.71e-09 6.33e-04 0s 10 1.84641093e+04 1.84640383e+04 1.42e-14 1.12e-09 1.58e-04 0s 11 1.84640951e+04 1.84640749e+04 1.42e-14 2.98e-10 4.49e-05 0s 12 1.84640910e+04 1.84640759e+04 4.69e-13 2.74e-10 3.34e-05 0s Barrier solved model in 12 iterations and 0.01 seconds Optimal objective 1.84640910e+04